Aeration sand setting device used for industrial sewage treatment and capable of preventing sediment deposition

Abstract

The utility model discloses an aeration sand setting device for industrial sewage treatment for preventing sediment deposition, which relates to the technical field of aeration sand setting equipment for industrial sewage treatment, and comprises a fixed plate and two symmetrically arranged sand suction pipes, and the bottom of the fixed plate is fixedly connected with a connecting plate through two groups of hydraulic cylinders. During use, through the arrangement of the two sand pushing plates and the first inclined plane, silt, sucked by the sand suction pipe located on the front side of the advancing direction of the sand suction pipes, on the two sides of the silt ditch can be pushed to the silt ditch, so that the silt pushed to the silt ditch is sucked away by the other sand suction pipe following the sand suction pipe, the suction area of the silt at the bottom of the pond is increased, and the suction efficiency of the silt at the bottom of the pond is improved. Therefore, the suction work of the sediment at the bottom of the pond is more fully completed, the situation that the aeration pipe is shielded due to excessive local sediment deposition is effectively prevented, and the reliability and practicability of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aeration and grit settling equipment for industrial sewage treatment, in particular to an aeration and grit settling device for industrial sewage treatment which can prevent sediment deposition. Background Art

[0002] Water is a universal solvent, and almost all liquids use water as the base solvent. In the industrial production process, various liquid raw materials, liquid additives, liquid lubricants, etc. are used. After participating in production and processing, these liquids will be discharged to the sewage treatment plant through the sewage pipe for treatment and then discharged into nature.

[0003] In the process of purifying industrial wastewater, a commonly used process is aeration and sand settling. The aeration effect causes the water flow in the aeration tank to rotate. This special flow state causes the inorganic particles in the sewage to collide and rub during the vortex process, thereby removing the organic matter attached to the surface of the mud and sand particles, forming clean mud and sand. In this way, the organic matter adsorbed by the mud and sand in the sewage can be cleaned up, and the sewage can be purified. After the mud and sand particles are washed clean in the aeration tank, they will settle to the bottom of the tank under the action of their own gravity. In order to prevent excessive mud and sand deposition from blocking the aeration pipe and to achieve repeated recycling of mud and sand, a sand suction pump and a sand suction pipe will be used to suck out the mud and sand deposited at the bottom of the tank.

[0004] The Chinese invention patent with patent application number CN201220554634.8 records an air sand lifting device for a horizontal flow aerated grit chamber sand suction machine, which uses a three-blade Roots blower as power to inject air into a sand lifting pipe to form a negative pressure to drive the water flow to lift the sand, thereby lifting the sand and effectively sucking out the sediment at the bottom of the pool to prevent excessive sedimentation at the bottom of the pool. However, in the above device, the sediment is sucked out through the sand lifting pipe, and the sand lifting pipe can only suck out the sediment near the sand inlet. Due to production cost constraints, the number of sand suction pipes is often limited, which will result in large pieces of sediment being unable to be absorbed due to the large distance between two adjacent sand suction pipes during the sand suction process, thereby reducing the sand suction effect, and causing the locally deposited sediment to block the aeration pipe and affect the normal operation of the aeration grit chamber. Utility Model Content

[0005] The purpose of this application is to provide an aeration and grit settling device for industrial wastewater treatment that prevents sediment deposition, so as to solve the problem proposed in the above background technology that during the sand suction process, large pieces of sediment cannot be adsorbed between two adjacent sand suction pipes, thereby reducing the sand suction effect, and causing the deposited sediment to block the aeration pipe and affect the normal operation of the aeration and grit settling device.

[0006] To achieve the above-mentioned objectives, the present application provides the following technical solutions: an aeration and sedimentation device for industrial wastewater treatment to prevent sediment deposition, comprising a fixed plate, the bottom of which is fixedly connected to a connecting plate by two sets of hydraulic cylinders, and also comprising two symmetrically arranged sand suction pipes, the bottom ends of the two sand suction pipes successively passing through the fixed plate and the connecting plate from top to bottom and extending to the lower side of the connecting plate, the top of the fixed plate is symmetrically fixedly connected to two connecting rods, the bottom of the connecting plate is symmetrically fixedly connected to two sand pushing plates, two first inclined surfaces are symmetrically provided on the adjacent sides of the sand pushing plates, and an auxiliary sand suction assembly is provided on the connecting plate.

[0007] Preferably, the auxiliary sand suction assembly includes two rotating shafts symmetrically connected to the top of the connecting plate, the bottom ends of the two rotating shafts pass through the connecting plate and are fixedly connected to the tops of the two sand pushing plates respectively, the bottom of the connecting plate is symmetrically fixedly connected to two sleeves, the two sleeves are symmetrically sleeved on the outer circumferential surfaces of the two rotating shafts, two first torsion springs are symmetrically fixedly connected between the tops of the two sand pushing plates and the bottom ends of the two sleeves, two second inclined surfaces are symmetrically provided on the adjacent sides of the two sand pushing plates, and the first inclined surface and the second inclined surface on each sand pushing plate are symmetrical and in an "eight" shape. The advantage of this arrangement is that the two sand pushing plates will rotate to both sides to form an eight-shaped shape under the action of the first torsion spring and the blocking force of the sediment on the bottom of the pool, and the large eight-shaped opening is aligned with the direction of sand suction. In this way, after the two sand suction pipes absorb the sediment on the bottom of the pool while moving left or right, the two sand pushing plates can push the sediment on the front and rear sides of the sand suction pipes toward the bottom of the sand suction pipes, so that the sand suction pipes following the rear of the two sand pushing plates can absorb the pushed sediment, thereby more fully absorbing the sediment on the bottom of the pool and preventing excessive sediment from depositing and blocking the aeration pipe.

[0008] Preferably, the auxiliary sand suction assembly also includes two rotating plates symmetrically fixedly connected to the top ends of the two rotating shafts, and two groups of touch blocks are symmetrically fixedly connected on the side surfaces of the two rotating plates, and the number of each group of touch blocks is two. The top of the connecting plate is symmetrically fixedly connected to two groups of pressure sensors through two vertical rods, and the number of each group of pressure sensors is two, and the touch blocks can touch the pressure sensors. The top of the connecting plate is symmetrically fixedly connected to two groups of limit rods, and the advantage of such an arrangement is that the two groups of limit rods can limit the rotation angle of the two sand pushing plates, thereby ensuring that the two sand pushing plates can effectively push the mud and sand. At the same time, when the two sand pushing plates are inserted too deeply into the mud and sand, the sand pushing plates will be subjected to greater force, causing the touch blocks to press tightly against the pressure sensors. When the pressure applied to the pressure sensor reaches a preset value, the hydraulic cylinder will be activated to drive the sand pushing plates to move upward through the connecting plates to reduce the resistance applied to the sand pushing plates, thereby ensuring that the device will not have overload problems while ensuring the smooth progress of the sand suction work, thereby ensuring the reliability and safety of the device.

[0009] Preferably, the cross section of the side of the touch block away from the rotating plate is arc-shaped, and the touch block is made of rubber. The advantage of this arrangement is that it can reduce the impact force on the pressure sensor and ensure the safety of the pressure sensor.

[0010] Preferably, it also includes a flattening component for flattening the sand pile pushed up by the sand pushing plate, the flattening component includes two groups of vertical plates symmetrically fixedly connected to the bottom of the connecting plate, each group of said vertical plates has two, and the two groups of said vertical plates are symmetrically connected to the two spreading plates by two rotating rods between the adjacent side surfaces, and two second torsion springs are symmetrically fixedly connected between the front and rear sides of the spreading plate and the adjacent side surfaces of the two vertical plates, and the two spreading plates are symmetrically distributed on the left and right sides of the two sand pushing plates and are distributed in an eight-shaped shape. The advantage of such a setting is that the sand piles pushed out by the two sand pushing plates can be flattened, so that the sand suction pipe following it can absorb this part of the mud and sand more smoothly, thereby ensuring the smooth progress of the sand suction work.

[0011] Preferably, the flattening assembly also includes two groups of flattening convex strips symmetrically fixedly connected on the adjacent sides of the two flattening plates, the number of flattening convex strips in each group is not less than three and they are arranged equidistantly, and the cross-section of the flattening convex strip is triangular. The advantage of such an arrangement is that it can increase the flattening force on the sand pile and ensure the smooth progress of the sand suction work.

[0012] In summary, the technical effects and advantages of the utility model are:

[0013] 1. In the utility model, the two sand pushing plates and the first inclined surface can push the silt on both sides of the silt ditch sucked by the sand suction pipe located in the front side of the sand suction pipe in the direction of travel to the silt ditch, so that the other sand suction pipe following it can absorb the silt pushed to the silt ditch, thereby increasing the suction area of the silt at the bottom of the pool, thereby more fully completing the work of sucking the silt at the bottom of the pool, effectively preventing excessive local sedimentation from blocking the aeration pipe, and improving the reliability and practicality of the device.

[0014] 2. In the present invention, by providing the first inclined surface, the second inclined surface and the first torsion spring, the device can absorb the sediment at the bottom of the pool when moving leftward or rightward, thereby effectively improving the sediment absorption efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a first structural schematic diagram of an aeration and grit settling device for industrial wastewater treatment to prevent sediment deposition in an embodiment of the present application;

[0017] Figure 2 This is a second structural schematic diagram of an aeration and grit settling device for industrial wastewater treatment to prevent sediment deposition in an embodiment of the present application;

[0018] Figure 3 This is a third structural schematic diagram of an aeration and grit settling device for industrial wastewater treatment to prevent sediment deposition in an embodiment of the present application;

[0019] Figure 4 This is a bottom view of an aeration and grit settling device for industrial wastewater treatment to prevent sediment deposition in an embodiment of the present application;

[0020] Figure 5 In the embodiment of this application Figure 1 Enlarged schematic diagram of point A in the middle.

[0021] In the figure: 1. fixed plate; 2. hydraulic cylinder; 3. connecting plate; 4. sand suction pipe; 5. connecting rod; 6. sand pushing plate; 61. first inclined surface; 62. second inclined surface; 7. auxiliary sand suction assembly; 71. rotating shaft; 72. sleeve; 73. first torsion spring; 74. rotating plate; 75. touch block; 76. vertical rod; 77. pressure sensor; 78. limit rod; 8. flattening assembly; 81. vertical plate; 82. second torsion spring; 83. flattening plate; 84. flattening convex strip. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1

[0024] Please refer to Figure 1-5 The aeration and sedimentation device for industrial wastewater treatment shown in the figure prevents sediment deposition, including a fixed plate 1, the bottom of which is fixedly connected to a connecting plate 3 by two groups of hydraulic cylinders 2, and also includes two symmetrically arranged sand suction pipes 4, the bottom ends of the two sand suction pipes 4 pass through the fixed plate 1 and the connecting plate 3 from top to bottom and extend to the lower side of the connecting plate 3; two connecting rods 5 are symmetrically fixedly connected to the top of the fixed plate 1, and two sand pushing plates 6 are symmetrically fixedly connected to the bottom of the connecting plate 3, and two first inclined surfaces 61 are symmetrically provided on the adjacent sides of the sand pushing plates 6, and an auxiliary sand suction component 7 is provided on the connecting plate 3.

[0025] The auxiliary sand suction assembly 7 includes two rotating shafts 71 symmetrically connected to the top of the connecting plate 3. The bottom ends of the two rotating shafts 71 pass through the connecting plate 3 and are fixedly connected to the tops of the two sand pushing plates 6 respectively. The bottom of the connecting plate 3 is symmetrically fixedly connected to two sleeves 72. The two sleeves 72 are symmetrically sleeved on the outer circumferential surfaces of the two rotating shafts 71. Two first torsion springs 73 are symmetrically fixedly connected between the tops of the two sand pushing plates 6 and the bottom ends of the two sleeves 72; two second inclined surfaces 62 are symmetrically opened on the adjacent sides of the two sand pushing plates 6, and the first inclined surface 61 and the second inclined surface 62 on each sand pushing plate 6 are symmetrical and distributed in an eight-shaped shape.

[0026] Specifically, the two sand pushing plates 6 will rotate to both sides to form an eight-shaped shape under the action of the first torsion spring 73 and the blocking force of the silt on the bottom of the pool, and the large eight-shaped opening will be aligned with the direction of sand suction. In this way, after the two sand suction pipes 4 absorb the silt on the bottom of the pool when moving left or right, the two sand pushing plates 6 can push the silt on the front and rear sides of the sand suction pipe 4 toward the bottom of the sand suction pipe 4, so that the sand suction pipe 4 following the rear side of the two sand pushing plates 6 can absorb the pushed silt, thereby being able to more fully absorb the silt on the bottom of the pool and prevent excessive sedimentation from blocking the aeration pipe.

[0027] Example 2

[0028] According to Example 1, the auxiliary sand suction component 7 also includes two rotating plates 74 symmetrically fixedly connected to the top ends of the two rotating shafts 71. Two groups of touch blocks 75 are symmetrically fixedly connected to the sides of the two rotating plates 74, and each group of touch blocks 75 has two members. The top of the connecting plate 3 is symmetrically fixedly connected to two groups of pressure sensors 77 through two vertical rods 76. Each group of pressure sensors 77 has two members. The touch blocks 75 can touch the pressure sensors 77. Two groups of limit rods 78 are symmetrically fixedly connected to the top of the connecting plate 3.

[0029] Specifically, the two sets of limit rods 78 limit the rotation angle of the two sand pushing plates 6, thereby ensuring that the two sand pushing plates 6 can effectively push the sand. At the same time, when the two sand pushing plates 6 are inserted too deeply into the mud and sand, the sand pushing plates 6 will be subjected to greater force, causing the contact blocks 75 to press tightly against the pressure sensors 77. When the pressure on the pressure sensors 77 reaches a preset value, the hydraulic cylinder 2 is activated to drive the sand pushing plates 6 upward through the connecting plate 3 to reduce the resistance they experience. This ensures that the device will not be overloaded while ensuring smooth sand suction, thereby ensuring the reliability and safety of the device.

[0030] The side cross-section of the touch block 75 away from the rotating plate 74 is arc-shaped. The touch block 75 is made of rubber, which can reduce the impact force on the pressure sensor 77 and ensure the safety of the pressure sensor 77.

[0031] Example 3

[0032] According to embodiment 1 or 2, it also includes a flattening component 8 for flattening the sand pile pushed up by the sand pushing plate 6. The flattening component 8 includes two groups of vertical plates 81 symmetrically fixedly connected to the bottom of the connecting plate 3, and each group of vertical plates 81 has two vertical plates 81. The two groups of vertical plates 81 are symmetrically connected to the adjacent side surfaces through two rotating rods. Two spreading plates 83 are symmetrically fixedly connected between the front and rear sides of the spreading plate 83 and the adjacent side surfaces of the two vertical plates 81. The two spreading plates 83 are symmetrically distributed on the left and right sides of the two sand pushing plates 6 and are distributed in an eight-shaped shape, which can flatten the sand piles pushed out by the two sand pushing plates 6, so that the sand suction pipe 4 following it can more smoothly absorb this part of the mud and sand, thereby ensuring the smooth progress of the sand suction work.

[0033] refer to Figure 1 and Figure 2 The flattening assembly 8 also includes two groups of flattening ribs 84 symmetrically fixedly connected on the adjacent sides of the two flattening plates 83. The number of flattening ribs 84 in each group is not less than three and they are arranged equidistantly. The cross-section of the flattening ribs 84 is triangular, which can increase the flattening force on the sand pile and ensure the smooth progress of the sand suction work.

[0034] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An aeration and sand settling device for industrial wastewater treatment to prevent sediment deposition, comprising a fixed plate (1), the bottom of which is fixedly connected to a connecting plate (3) via two sets of hydraulic cylinders (2), and characterized in that: The invention also includes two symmetrically arranged sand suction pipes (4), the bottom ends of the two sand suction pipes (4) sequentially penetrate the fixed plate (1) and the connecting plate (3) from top to bottom and extend to the lower side of the connecting plate (3), the top of the fixed plate (1) is symmetrically fixedly connected to two connecting rods (5), the bottom of the connecting plate (3) is symmetrically fixedly connected to two sand pushing plates (6), two first inclined surfaces (61) are symmetrically provided on adjacent sides of the sand pushing plates (6), and an auxiliary sand suction component (7) is provided on the connecting plate (3).

2. The aeration and grit settling device for industrial wastewater treatment to prevent sediment deposition according to claim 1, characterized in that: The auxiliary sand suction component (7) comprises two rotating shafts (71) symmetrically connected to the top of the connecting plate (3), the bottom ends of the two rotating shafts (71) pass through the connecting plate (3) and are fixedly connected to the tops of the two sand pushing plates (6) respectively, the bottom of the connecting plate (3) is symmetrically fixedly connected to two sleeves (72), the two sleeves (72) are symmetrically sleeved on the outer circumferential surfaces of the two rotating shafts (71), two first torsion springs (73) are symmetrically fixedly connected between the tops of the two sand pushing plates (6) and the bottom ends of the two sleeves (72), two second inclined surfaces (62) are symmetrically opened on the adjacent sides of the two sand pushing plates (6), and the first inclined surface (61) and the second inclined surface (62) on each sand pushing plate (6) are symmetrical and distributed in an eight-shaped shape.

3. The aeration and sand settling device for industrial wastewater treatment to prevent sediment deposition according to claim 2, characterized in that: The auxiliary sand suction component (7) further comprises two rotating plates (74) symmetrically fixedly connected to the top ends of the two rotating shafts (71); two groups of touch blocks (75) are symmetrically fixedly connected to the side surfaces of the two rotating plates (74); each group of the touch blocks (75) comprises two touch blocks; the top of the connecting plate (3) is symmetrically fixedly connected to two groups of pressure sensors (77) via two vertical rods (76); each group of the pressure sensors (77) comprises two touch blocks (75) capable of contacting the pressure sensors (77); and two groups of limiting rods (78) are symmetrically fixedly connected to the top of the connecting plate (3).

4. The aeration and grit settling device for industrial wastewater treatment to prevent sediment deposition according to claim 3, characterized in that: The cross section of the side of the touch block (75) away from the rotating plate (74) is in an arc shape, and the touch block (75) is made of rubber.

5. The aeration and grit settling device for industrial wastewater treatment to prevent sediment deposition according to claim 4, characterized in that: The invention also includes a flattening assembly (8) for flattening the sand pile pushed up by the sand pushing plate (6), wherein the flattening assembly (8) includes two groups of vertical plates (81) symmetrically fixedly connected to the bottom of the connecting plate (3), and each group of the vertical plates (81) has two vertical plates (81). Two flattening plates (83) are symmetrically connected to the adjacent sides of the two groups of vertical plates (81) through two rotating rods. Two second torsion springs (82) are symmetrically fixedly connected to the front and rear sides of the flattening plates (83) and the adjacent sides of the two vertical plates (81). The two flattening plates (83) are symmetrically distributed on the left and right sides of the two sand pushing plates (6) and are distributed in an "eight" shape.

6. The aeration and grit settling device for industrial wastewater treatment to prevent sediment deposition according to claim 5, characterized in that: The flattening assembly (8) further comprises two groups of flattening convex strips (84) symmetrically fixedly connected on adjacent sides of the two flattening plates (83), wherein the number of the flattening convex strips (84) in each group is not less than three and they are arranged at equal intervals, and the cross section of the flattening convex strips (84) is triangular.

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